/*
 * Copyright (C) 2019 The Dagger Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package dagger.example.atm;

import dagger.example.atm.Database.Account;

import javax.inject.Inject;
import java.util.List;

/**
 * Logs out the current user.
 */
final class LogoutCommand implements Command {

    private final Outputter outputter;
    private final Account account;

    @Inject
    LogoutCommand(Outputter outputter, Account account) {
        this.outputter = outputter;
        this.account = account;
    }

    @Override
    public Result handleInput(List<String> input) {
        if (!input.isEmpty()) {
            return Result.invalid();
        }
        outputter.output("logged out " + account.username());
        return Result.inputCompleted();
    }
}
